David C. Hutchison

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Rogersville, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Cryogenic tempering process for dynamoelectric devices
- Patent number 6,588,218
- Issue date Jul 8, 2003
- CryoPro, L.L.C.
- David C. Hutchison
- C21 - METALLURGY OF IRON
Information Patent Grant
Cryogenic tempering process for PCB drill bits
- Patent number 6,314,743
- Issue date Nov 13, 2001
- CryoPro, L.L.C.
- David C. Hutchison
- C21 - METALLURGY OF IRON